Eventful:
Only this el trigger events: red circle and red rect of dataIndex: 1
Others not (green rect not)
Events (click, mousedown, mousemove, mouseup) are printed in console log.
red circle: params.info = 0, red rect: params.info = undefined

The shape should be clipped by the grid (by series.clip).

The shape should be clipped by the grid (by custom clipPath).

Test SVG path data auto fit to rect:
the y axis label (made by custom series) should be center